HELMINTH PARASITES OF BIRDS — DENTON AND BYRD 179 



straight to slightly wavy, bifurcating dorsal to cephalic margin of 

 acetabulum. Ceca slender, becoming bulbous toward posterior ends 

 in some specimens, slightly sinuous, terminating at different levels, 



Figure 38. — a, Brachylecithum americanum Denton, 1945, from the liver of Buteo limaius, 

 ventral view (the testes are tandem in position rather than oblique as they usually are); 

 b, Brachylecithum stunkardi (Pande, 1939), from the liver of Cyanocitta cristata, ventral 

 view, c, Brachylecithum exochocotyle, nsw species, ivom the liver of Toxosloma rufum, ventral 

 view; d, lateral view of anterior end of Brachylecithum exochocotyle, from Toxostoma rufum, 

 showing position of suckers and shallow lumen of acetabulum; e, Luhens lubens (Braun, 

 1901), from the gall bladder of Cassidix mexicanus prosopidicola, ventral view;/, Lubens 

 lubens, from the gall bladder of Piranga olivacea, ventral view. 



